jquery - error messages were produced once only -

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i have below jquery code check start , end dates , error message shows once , if user changed end date wrong values no error messages produced. there i'm missing ? 

$('input[name="enddate"]').change(function(){     var startdate=$('input[name="startdate"]');     var enddate=$('input[name="enddate"]');     var errorspan= $('.errorspan');     $.ajax({         url:'${createlink(controller:'empref', action: 'checkservicedatesajax')}'   ,         type:'post' ,         data:{startdate:startdate.val(), enddate:enddate.val()} ,         success: function(xmlhttprequest, textstatus, jqxhr) {          },          error: function(xmlhttprequest,  textstatus,  errorthrown) {              errorspan.html("&nbsp;&nbsp;&nbsp;&nbsp;<font color='red'>"+xmlhttprequest.responsetext+"</font>").fadeout(5000);             enddate.focus();          }     })  });

this because when call fadeout() on error message container, sets display property none. when try reuse same element, hidden. can make work ensuring element visible before fading out:

error: function(xmlhttprequest,  textstatus,  errorthrown) {    errorspan.html("&nbsp;&nbsp;&nbsp;&nbsp;<font color='red'>"+xmlhttprequest.responsetext+"</font>")   errorspan.show()   errorspan.fadeout(5000);   enddate.focus(); }

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